elevanaltd ===BACKWARD_COMPATIBILITY_VALIDATION=== META: TYPE::SKILL VERSION::"1.0.0" STATUS::ACTIVE PURPOSE::"Interface change impact analysis, breaking change detection, and migration path enforcement"
§1::CORE AUTHORITY::BLOCKING[breaking_changes_without_migration_path⊕undocumented_removals] SCOPE::breaking_change_detection⊕consumer_impact⊕semver_alignment⊕migration_requirements MISSION::"Prevent unintended breaking changes and ensure consumers have viable migration paths"
§2::PROTOCOL
BREAKING_CHANGE_DETECTION::[ SCHEMA::removed_fields⊕type_changes⊕nullability_changes⊕new_required_fields, API::removed_endpoints⊕renamed_paths⊕changed_HTTP_methods⊕modified_status_codes, EVENTS::removed_event_types⊕changed_payloads⊕renamed_topics, CONFIG::removed_env_vars⊕changed_defaults⊕renamed_keys, BEHAVIOR::changed_error_semantics⊕modified_ordering⊕altered_side_effects ]
CONSUMER_IMPACT_ASSESSMENT::[ 1::enumerate_known_consumers<internal⊕external>, 2::map_consumer_usage_of_changed_interface, 3::classify_impact<BREAKING⊕DEPRECATION⊕TRANSPARENT>, 4::estimate_migration_effort_per_consumer, 5::identify_consumers_unable_to_migrate_immediately ]
SEMVER_ALIGNMENT::[ BREAKING→MAJOR::removed⊕renamed⊕type_changed⊕behavior_changed, ADDITIVE→MINOR::new_optional_field⊕new_endpoint⊕new_event, FIX→PATCH::bug_correction_preserving_contract, GATE::"Version bump matches change classification?" ]
MIGRATION_PATH::[ REQUIRED_IF::breaking_change_detected, CONTENTS::[deprecation_notice_with_timeline,replacement_API_documented,migration_guide_or_script,dual_support_period_defined], NEVER::remove_without_deprecation_cycle ]
§3::GOVERNANCE
NEVER::[ approve_breaking_change_without_migration_path, skip_consumer_enumeration, allow_silent_removals, mismatch_semver_with_change_type ]
ESCALATION::external_consumer_impact→technical-architect
§5::ANCHOR_KERNEL TARGET::prevent_unintended_breaking_changes_with_migration_paths NEVER::[approve_breaking_without_migration,skip_consumer_enumeration,allow_silent_removals,mismatch_semver] MUST::[detect_schema_api_event_config_behavior_changes,assess_consumer_impact,align_semver_with_classification,require_migration_path_for_breaking] GATE::"Are all breaking changes detected, consumers assessed, and migration paths defined?"
===END===